<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
    <meta name="description" content="Create and style textual labels.">
    <meta name="cesium-sandcastle-labels" content="Showcases, Beginner">
    <title>Cesium Demo</title>
    <script type="text/javascript" src="../Sandcastle-header.js"></script>
    <script type="text/javascript" src="../../../Build/CesiumUnminified/Cesium.js" nomodule></script>
    <script type="module" src="../load-cesium-es6.js"></script>
</head>
<body class="sandcastle-loading" data-sandcastle-bucket="bucket-requirejs.html">
<style>
    @import url(../templates/bucket.css);
</style>
<div id="cesiumContainer" class="fullSize"></div>
<div id="loadingOverlay"><h1>Loading...</h1></div>
<div id="toolbar"></div>
<script id="cesium_sandcastle_script">
function startup(Cesium) {
    'use strict';
//Sandcastle_Begin
var viewer = new Cesium.Viewer('cesiumContainer');

function addLabel() {
    Sandcastle.declare(addLabel);
    viewer.entities.add({
        position : Cesium.Cartesian3.fromDegrees(-75.1641667, 39.9522222),
        label : {
            text : 'Philadelphia'
        }
    });
}

function setFont() {
    Sandcastle.declare(setFont);
    viewer.entities.add({
        position : Cesium.Cartesian3.fromDegrees(-75.1641667, 39.9522222),
        label : {
            text : 'Philadelphia',
            font : '24px Helvetica',
            fillColor : Cesium.Color.SKYBLUE,
            outlineColor : Cesium.Color.BLACK,
            outlineWidth : 2,
            style : Cesium.LabelStyle.FILL_AND_OUTLINE
        }
    });
}

function setProperties() {
    Sandcastle.declare(setProperties);
    var entity = viewer.entities.add({
        position : Cesium.Cartesian3.fromDegrees(-75.1641667, 39.9522222, 300000.0),
        label : {
            text : 'Philadelphia'
        }
    });

    entity.label.scale = 2.0;
    entity.label.showBackground = true;
}

function offsetByDistance() {
    Sandcastle.declare(offsetByDistance);
    var image = new Image();
    image.onload = function() {
        viewer.entities.add({
            position : Cesium.Cartesian3.fromDegrees(-75.1641667, 39.9522222),
            billboard : {
                position : Cesium.Cartesian3.fromDegrees(-75.1641667, 39.9522222),
                scaleByDistance : new Cesium.NearFarScalar(1.5e2, 5.0, 1.5e7, 0.5),
                image : image
            },
            label : {
                text : 'Label on top of scaling billboard',
                font : '20px sans-serif',
                showBackground : true,
                horizontalOrigin : Cesium.HorizontalOrigin.CENTER,
                pixelOffset : new Cesium.Cartesian2(0.0, -image.height),
                pixelOffsetScaleByDistance : new Cesium.NearFarScalar(1.5e2, 3.0, 1.5e7, 0.5)
            }
        });
    };
    image.src = '../images/facility.gif';
}

function fadeByDistance() {
    Sandcastle.declare(fadeByDistance);
    viewer.entities.add({
        position : Cesium.Cartesian3.fromDegrees(-73.94, 40.67),
        label : {
            text : 'New York',
            translucencyByDistance : new Cesium.NearFarScalar(1.5e2, 1.0, 1.5e8, 0.0)
        }
    });
    viewer.entities.add({
        position : Cesium.Cartesian3.fromDegrees(-84.39, 33.75),
        label : {
            text : 'Atlanta',
            translucencyByDistance : new Cesium.NearFarScalar(1.5e5, 1.0, 1.5e7, 0.0)
        }
    });
}

function scaleByDistance() {
    Sandcastle.declare(scaleByDistance);

    viewer.entities.add({
        position : Cesium.Cartesian3.fromDegrees(-75.1641667, 39.9522222),
        label : {
            text : 'Philadelphia',
            scaleByDistance : new Cesium.NearFarScalar(1.5e2, 2.0, 1.5e7, 0.5)
        }
    });
}

function setRightToLeft() {
    Sandcastle.declare(setRightToLeft);
    Cesium.Label.enableRightToLeftDetection = true; //Only needs to be set once at the beginning of the application.
    viewer.entities.add({
        position : Cesium.Cartesian3.fromDegrees(-75.1641667, 39.9522222),
        label : {
            text : 'Master (אדון): Hello\nתלמיד (student): שלום'
        }
    });
}

Sandcastle.addToolbarMenu([{
    text : 'Add label',
    onselect : function() {
        addLabel();
        Sandcastle.highlight(addLabel);
    }
}, {
    text : 'Set font',
    onselect : function() {
        setFont();
        Sandcastle.highlight(setFont);
    }
}, {
    text : 'Set properties',
    onselect : function() {
        setProperties();
        Sandcastle.highlight(setProperties);
    }
}, {
    text : 'Offset label by distance',
    onselect : function() {
        offsetByDistance();
        Sandcastle.highlight(offsetByDistance);
    }
}, {
    text : 'Fade label by distance',
    onselect : function() {
        fadeByDistance();
        Sandcastle.highlight(fadeByDistance);
    }
}, {
    text : 'Scale label by distance',
    onselect : function() {
        scaleByDistance();
        Sandcastle.highlight(scaleByDistance);
    }
}, {
    text : 'Set label with right-to-left language',
    onselect : function() {
        setRightToLeft();
        Sandcastle.highlight(setRightToLeft);
    }
}]);

Sandcastle.reset = function() {
    viewer.entities.removeAll();
};
//Sandcastle_End
    Sandcastle.finishedLoading();
}
if (typeof Cesium !== 'undefined') {
    window.startupCalled = true;
    startup(Cesium);
}
</script>
</body>
</html>
